Emergency diesel generators were activated to supply electricity to maintain cooling of nuclear fuel rods in the pool. Since the plant is undergoing a safety review by the Regulatory Committee, no nuclear fuel was present inside the station’s three reactors at the time of the incident. The emergency power source is said to be enough to support operations for at least seven days.

Besides that, no leaks, temperature increase or any other irregularities have been recorded at the plant operated by Hokkaido Electric Power, Chief Cabinet Secretary Yoshihide Suga told reporters. Other Japan’s nuclear facilities outside the island also reported no abnormalities.

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